81641072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{300151}}^1$

素因数の和:300176

約数の個数: 20

約数和(自身を含む): 167484816

約数和(自身を除く): 85843744

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 300151, 600302, 1200604, 2401208, 4802416, 5102567, 10205134, 20410268, 40820536, 81641072]

約数ペア:

[(1, 81641072), (2, 40820536), (4, 20410268), (8, 10205134), (16, 5102567), (17, 4802416), (34, 2401208), (68, 1200604), (136, 600302), (272, 300151)]